diff --git a/core/common.py b/core/common.py
index f17366e..ef22a48 100644
--- a/core/common.py
+++ b/core/common.py
@@ -1,4 +1,4 @@
-#type: ignore
+# type: ignore
 """
 Common util functions
 """
diff --git a/core/mergeutils.py b/core/mergeutils.py
index e0d0049..236b500 100644
--- a/core/mergeutils.py
+++ b/core/mergeutils.py
@@ -1,4 +1,4 @@
-#type: ignore
+# type: ignore
 """
 Utilities for reading multiple VCFs simulataneously
 and keeping them in sync.
diff --git a/core/tr_harmonizer.py b/core/tr_harmonizer.py
index f1622ee..4e9b535 100644
--- a/core/tr_harmonizer.py
+++ b/core/tr_harmonizer.py
@@ -1,4 +1,4 @@
-#type: ignore
+# type: ignore
 """
 Utilities for harmonizing tandem repeat VCF records.
 
diff --git a/core/utils.py b/core/utils.py
index 8cd5c2f..99c83ef 100644
--- a/core/utils.py
+++ b/core/utils.py
@@ -1,4 +1,4 @@
-#type: ignore
+# type: ignore
 """
 Util functions for calculating summary STR statistics
 and performing basic string operations on STR alleles.
diff --git a/noxfile.py b/noxfile.py
index 491f59c..9a0a7f0 100644
--- a/noxfile.py
+++ b/noxfile.py
@@ -1,4 +1,4 @@
-#type: ignore
+# type: ignore
 """Nox sessions."""
 import os
 import shutil